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AVEVA™ Historian

Configure event tags

  • Last UpdatedDec 12, 2025
  • 1 minute read

Event tags are a special tag type that allow you to track when a condition or other specific event happens in relation to one or more specified tags. For example, you could create an event tag to indicate when a temperature control (represented by a certain analog tag) registers 100 degrees or more. Or, you could create an event tag to track each time a particular discrete tag registered "Jam" as the reason why a component stopped running.

Be sure that you do not exceed your licensed tag count when adding event tags.

Note: For information about managing event tags that you created event tags through the Classic Event subsystem, see Configure classic events.

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